[INFO] cloning repository https://github.com/josephch405/rust-raytrace-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josephch405/rust-raytrace-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephch405%2Frust-raytrace-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephch405%2Frust-raytrace-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 576f04c33d37ea9910c307498b3be01a68becbf3
[INFO] testing josephch405/rust-raytrace-challenge against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephch405%2Frust-raytrace-challenge" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josephch405/rust-raytrace-challenge on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/josephch405/rust-raytrace-challenge
[INFO] finished tweaking git repo https://github.com/josephch405/rust-raytrace-challenge
[INFO] tweaked toml for git repo https://github.com/josephch405/rust-raytrace-challenge written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/josephch405/rust-raytrace-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11bda40d539bb0ef468446f935f6577781d314587b1d1ba1d7be683d49800537
[INFO] running `Command { std: "docker" "start" "-a" "11bda40d539bb0ef468446f935f6577781d314587b1d1ba1d7be683d49800537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11bda40d539bb0ef468446f935f6577781d314587b1d1ba1d7be683d49800537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bda40d539bb0ef468446f935f6577781d314587b1d1ba1d7be683d49800537", kill_on_drop: false }`
[INFO] [stdout] 11bda40d539bb0ef468446f935f6577781d314587b1d1ba1d7be683d49800537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13b0395335270dfbb4285af4993f13286c5416249abc51d48448a20ba88bbd9
[INFO] running `Command { std: "docker" "start" "-a" "c13b0395335270dfbb4285af4993f13286c5416249abc51d48448a20ba88bbd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/canvas.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get(&self, w: u64, h: u64) -> Color {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn add(&self, other: Color) -> Color {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subtract`
[INFO] [stdout]   --> src/color.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn subtract(&self, other: Color) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiply`
[INFO] [stdout]   --> src/color.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn multiply(&self, k: f32) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiply_color`
[INFO] [stdout]   --> src/color.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn multiply_color(&self, c: Color) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/ray.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn position(&self, time: f32) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sphere_unit`
[INFO] [stdout]   --> src/shapes.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn sphere_unit() -> Sphere {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]   --> src/shapes.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     t: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Intersection` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shapes.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `object`
[INFO] [stdout]   --> src/shapes.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     object: &'a dyn Shape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Intersection` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shapes.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit`
[INFO] [stdout]   --> src/shapes.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn hit(intersections: Vec<Intersection>) -> Option<Intersection> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/tuple.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn add(&self, other: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `negate`
[INFO] [stdout]   --> src/tuple.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn negate(&self) -> Tuple {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiply`
[INFO] [stdout]   --> src/tuple.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn multiply(&self, k: f32) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide`
[INFO] [stdout]   --> src/tuple.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn divide(&self, k: f32) -> Tuple {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/tuple.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn cross(&self, other: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `I4`
[INFO] [stdout]   --> src/matrix.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     const I4: Matrix4 = [
[INFO] [stdout] 17 | |         [1., 0., 0., 0.],
[INFO] [stdout] 18 | |         [0., 1., 0., 0.],
[INFO] [stdout] 19 | |         [0., 0., 1., 0.],
[INFO] [stdout] 20 | |         [0., 0., 0., 1.],
[INFO] [stdout] 21 | |     ];
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mm`
[INFO] [stdout]   --> src/matrix.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn mm(m1: Matrix4, m2: Matrix4) -> Matrix4 {
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `t`
[INFO] [stdout]   --> src/matrix.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn t(m: Matrix4) -> Matrix4 {
[INFO] [stdout]    |                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `I`
[INFO] [stdout]   --> src/matrix.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         pub const I: Matrix4 = I4;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invertible`
[INFO] [stdout]    --> src/matrix.rs:113:16
[INFO] [stdout]     |
[INFO] [stdout] 113 |         pub fn invertible(m: Matrix4) -> bool {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]    --> src/matrix.rs:127:16
[INFO] [stdout]     |
[INFO] [stdout] 127 |         pub fn eq(a: Matrix4, b: Matrix4) -> bool {
[INFO] [stdout]     |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scale`
[INFO] [stdout]    --> src/matrix.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn scale(x: f32, y: f32, z: f32) -> Matrix4 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotate_x`
[INFO] [stdout]    --> src/matrix.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn rotate_x(rad: f32) -> Matrix4 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotate_y`
[INFO] [stdout]    --> src/matrix.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn rotate_y(rad: f32) -> Matrix4 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotate_z`
[INFO] [stdout]    --> src/matrix.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn rotate_z(rad: f32) -> Matrix4 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shear`
[INFO] [stdout]    --> src/matrix.rs:191:12
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn shear(x_y: f32, x_z: f32, y_x: f32, y_z: f32, z_x: f32, z_y: f32) -> Matrix4 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chain`
[INFO] [stdout]    --> src/matrix.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn chain(ms: Vec<Matrix4>) -> Matrix4 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "c13b0395335270dfbb4285af4993f13286c5416249abc51d48448a20ba88bbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13b0395335270dfbb4285af4993f13286c5416249abc51d48448a20ba88bbd9", kill_on_drop: false }`
[INFO] [stdout] c13b0395335270dfbb4285af4993f13286c5416249abc51d48448a20ba88bbd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afa6306d04efdfed9a18f50e590cee96fcb1d688479f5ae0a6d1c1fecd5e9829
[INFO] running `Command { std: "docker" "start" "-a" "afa6306d04efdfed9a18f50e590cee96fcb1d688479f5ae0a6d1c1fecd5e9829", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn add(&self, other: Color) -> Color {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subtract`
[INFO] [stdout]   --> src/color.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn subtract(&self, other: Color) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiply`
[INFO] [stdout]   --> src/color.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn multiply(&self, k: f32) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `negate`
[INFO] [stdout]   --> src/tuple.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn negate(&self) -> Tuple {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide`
[INFO] [stdout]   --> src/tuple.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn divide(&self, k: f32) -> Tuple {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invertible`
[INFO] [stdout]    --> src/matrix.rs:113:16
[INFO] [stdout]     |
[INFO] [stdout] 113 |         pub fn invertible(m: Matrix4) -> bool {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "afa6306d04efdfed9a18f50e590cee96fcb1d688479f5ae0a6d1c1fecd5e9829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa6306d04efdfed9a18f50e590cee96fcb1d688479f5ae0a6d1c1fecd5e9829", kill_on_drop: false }`
[INFO] [stdout] afa6306d04efdfed9a18f50e590cee96fcb1d688479f5ae0a6d1c1fecd5e9829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ece881754ac1eddfd32a046b3ef05270446461dc82a1e74f97bd28052b92d170
[INFO] running `Command { std: "docker" "start" "-a" "ece881754ac1eddfd32a046b3ef05270446461dc82a1e74f97bd28052b92d170", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/color.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn add(&self, other: Color) -> Color {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `subtract`
[INFO] [stderr]   --> src/color.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn subtract(&self, other: Color) -> Color {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `multiply`
[INFO] [stderr]   --> src/color.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn multiply(&self, k: f32) -> Color {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `negate`
[INFO] [stderr]   --> src/tuple.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn negate(&self) -> Tuple {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `divide`
[INFO] [stderr]   --> src/tuple.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn divide(&self, k: f32) -> Tuple {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `invertible`
[INFO] [stderr]    --> src/matrix.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |         pub fn invertible(m: Matrix4) -> bool {
[INFO] [stderr]     |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raytrace` (bin "raytrace" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytrace-3c7c504fd0b0bb65)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test canvas::canvas_tests::empty_canvas ... ok
[INFO] [stdout] test canvas::canvas_tests::ppm ... ok
[INFO] [stdout] test matrix::matrix_tests::det ... ok
[INFO] [stdout] test matrix::matrix_tests::dne ... ok
[INFO] [stdout] test matrix::matrix_tests::chain_test ... ok
[INFO] [stdout] test canvas::canvas_tests::write_canvas ... ok
[INFO] [stdout] test color::color_tests::mult_color ... ok
[INFO] [stdout] test canvas::canvas_tests::line_limit ... ok
[INFO] [stdout] test matrix::matrix_tests::cofactor ... ok
[INFO] [stdout] test matrix::matrix_tests::rot ... ok
[INFO] [stdout] test matrix::matrix_tests::inverse ... ok
[INFO] [stdout] test matrix::matrix_tests::id_test ... ok
[INFO] [stdout] test matrix::matrix_tests::mm4_test ... ok
[INFO] [stdout] test matrix::matrix_tests::eq ... ok
[INFO] [stdout] test matrix::matrix_tests::scale_test ... ok
[INFO] [stdout] test matrix::matrix_tests::reflect ... ok
[INFO] [stdout] test matrix::matrix_tests::shear_test ... ok
[INFO] [stdout] test matrix::matrix_tests::minor ... ok
[INFO] [stdout] test matrix::matrix_tests::sub ... ok
[INFO] [stdout] test matrix::matrix_tests::translate ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_test_1 ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_test_4 ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_test_3 ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_transform_intersect_test_2 ... ok
[INFO] [stdout] test shapes::sphere_tests::intersect_test ... ok
[INFO] [stdout] test tuple::tuple_tests::cross ... ok
[INFO] [stdout] test tuple::tuple_tests::dot ... ok
[INFO] [stdout] test tuple::tuple_tests::equality ... ok
[INFO] [stdout] test tuple::tuple_tests::norm ... ok
[INFO] [stdout] test tuple::tuple_tests::subtract_points ... ok
[INFO] [stdout] test tuple::tuple_tests::subtract_vec ... ok
[INFO] [stdout] test tuple::tuple_tests::subtract_vec_from_pt ... ok
[INFO] [stdout] test shapes::sphere_tests::hit_tests ... ok
[INFO] [stdout] test ray::matrix_tests::ray_translate ... ok
[INFO] [stdout] test ray::matrix_tests::ray_test ... ok
[INFO] [stdout] test ray::matrix_tests::ray_scale ... ok
[INFO] [stdout] test matrix::matrix_tests::transpose ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_test_2 ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_transform_intersect_test ... ok
[INFO] [stdout] test shapes::sphere_tests::sphere_test_5 ... ok
[INFO] [stdout] test tuple::tuple_tests::unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ece881754ac1eddfd32a046b3ef05270446461dc82a1e74f97bd28052b92d170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece881754ac1eddfd32a046b3ef05270446461dc82a1e74f97bd28052b92d170", kill_on_drop: false }`
[INFO] [stdout] ece881754ac1eddfd32a046b3ef05270446461dc82a1e74f97bd28052b92d170